Related Experiment Video
Updated: Jan 10, 2026

Optimized Protocols for Mycobacterium leprae Strain Management: Frozen Stock Preservation and Maintenance in Athymic Nude Mice
Published on: March 23, 2014
Pseudoathetosis in a patient with leprosy
Usha Kant Misra1, Jayantee Kalita, Anita Mahadevan
1Department of Neurology, Sanjay Gandhi PGIMS, Lucknow, India. ukmisra@sgpgi.ac.in
Leprosy patients may experience a Type I lepra reaction, worsening nerve and skin symptoms, after treatment begins. Corticosteroids effectively treated this reaction, improving neurological function and skin lesions in one patient.
Area of Science:
- Neurology
- Dermatology
- Infectious Diseases
Background:
- Leprosy, a chronic infectious disease, requires multidrug therapy.
- Type I lepra reaction can occur during or after treatment, causing inflammatory complications.
- Borderline tuberculoid leprosy represents a specific immunological classification of the disease.
Observation:
- A 35-year-old male patient with borderline tuberculoid leprosy presented with acute worsening of symptoms 12 days post-treatment initiation.
- The patient exhibited exacerbated neuropathic symptoms, including severe sensory ataxia and pseudoathetosis, alongside worsening skin lesions.
- These neurological deficits resulted in significant functional disability.
Findings:
- The patient's severe sensory ataxia and pseudoathetosis indicated a significant neurological complication of the lepra reaction.
- The presentation highlighted the potential for acute inflammatory responses to anti-leprosy treatment.
- Prompt administration of corticosteroid therapy led to substantial clinical improvement.
Implications:
- Corticosteroids are a crucial therapeutic option for managing Type I lepra reactions, particularly when severe neurological deficits arise.
- Early recognition and management of lepra reactions are essential to prevent long-term disability in leprosy patients.
- This case underscores the importance of monitoring for and treating inflammatory complications during leprosy treatment regimens.
More Related Videos
Related Concept Videos
Cross-bridge Cycle
Bacterial Phylum Spirochaetes
Pleiotropy
Lysosomal Hydrolases
Lethal Alleles
Lucien Cuénot discovered lethal alleles in 1905 while studying the inheritance of coat color in mice. The agouti gene is responsible for the color of the coat in mice. This gene codes for an agouti-signaling protein, which is responsible for melanin distribution in mammals. The wild-type allele gives rise to gray-brown coat color in mice, while the mutant allele gives rise to yellow coat color. In addition to coat color, the agouti gene is associated with the yellow...
Positive Symptoms of Schizophrenia: Hallucinations and Delusions
Thought Disorders
Disorganized and unusual thought processes mark thought disorders in schizophrenia. One key feature is disorganized speech, where an individual's conversation includes...

